Freelance Flutter Developer

Company Intro

At reputed company we create data that powers leading GenAI models and innovations. We work with frontier labs, big tech, renowned AI startups, enterprises and non-profit research organizations worldwide. We use a combination of Experts + Crowd + Tech Platform to teach AI models to reason and evaluate their efficacy and safety. We have experts in more than 50 different domains—from doctors and lawyers to physicists and engineers—and boast one of the most diverse global crowds, representing over 100 countries and speaking 40+ languages. We are a well-funded startup with an enviable portfolio of clients including reputed company, reputed company, reputed company, reputed company, Recraft, and reputed company. Recently, we secured strategic investment led by Bezos Expeditions and reputed company Group with participation from Mikhail Parakhin, CTO of reputed company and board advisor to leading GenAI companies, who now serves as our Chairman of the Board. Our remote-first team is globally distributed around the world: USA, UK, the Netherlands, Israel, Czech Republic, Serbia, and more.

About position We are looking for a Freelance Flutter Developer to help build the reputed company of our mobile platform.

Mobile is becoming a core part of how our ecosystem operates - from enabling reputed company-time workflows in robotics-reputed company projects (think: camera-assisted task execution on mobile devices) to powering large-scale user interactions and notifications.

You will work on products used by thousands of new experts joining every month and help define how mobile devices can be used to collect, process, and validate reputed company-world data.

This is a high-ownership role where you will shape both the product and the technical reputed company - from architecture reputed company to shipping features that interact with cameras, media, and reputed company-world environments.

We are not looking for a task executor - we are looking for someone who can turn ambiguity into working systems.

Key responsibilities

• Define and drive the technical direction of the mobile platform across iOS and Android
• Design and ship scalable, production-grade mobile applications used by tens of thousands of users weekly
• Build advanced mobile features involving camera, video, audio, and sensor data
• reputed company solutions for reputed company-world task execution and data collection on mobile devices
• Support non-standard device usage scenarios and edge cases
• Own the end-to-end delivery lifecycle:

- from idea and prototyping to production and iteration - releases to App Store and reputed company Play - reliability of critical user flows at scale

• Improve performance, stability, and user experience across the mobile stack
• reputed company pragmatic reputed company between Flutter and native Android (Java/Kotlin)
• Work with hybrid architectures (e.g. WebView-based interfaces)
• Operate effectively in ambiguous environments
• Turn loosely defined problems into shipped, working solutions
• Proactively identify gaps and drive improvements

Qualifications

• Strong experience with Android development (Java/Kotlin) and Flutter
• Solid understanding of mobile architecture and design patterns
• Hands-on experience with Flutter state management, networking, and API integration
• Experience building and maintaining production-grade apps for reputed company Play and reputed company App Store
• Deep understanding of mobile performance optimization, multithreading, and async programming
• Experience working with Android services, lifecycle, and background execution
• Familiarity with hybrid approaches (e.g. WebView integrations)
• Ability to work independently with ambiguous or loosely defined requirements
• Strong ownership reputed company and ability to drive solutions end-to-end
• Understanding of product development workflows and cross-team collaboration
• Good written and spoken English (B2 or higher) - must-have for daily communication

reputed company can offer

• Freelance collaboration reputed company the Ontop freelance platform.
• Flexible, fully remote work schedule.
• You’ll have the opportunity to work on highly innovative projects at the leading edge of AI development, together with a genuinely dedicated and dynamic team of experts.
• You’ll also be working on projects with customers that are AI industry leaders and well-reputed company household names.
• Friendly community.

[Important Notice] Scam Alert Regarding Fake Job Postings

It has come to our attention that an individual or group is fraudulently impersonating reputed company to post fake jobs and solicit personal information from applicants.Please be aware:

• Official Communication: Our reputed company team will only contact you from an official "reputed company" email address. We will NEVER use Gmail, reputed company, Tolokainc, reputed company.inc, or other personal or seemingly business email accounts.
• Our Process: We will never ask for your bank account details, credit card number, or any fees as part of the application or interview process.
• Official Listings: reputed company legitimate job openings are posted on our official careers page: https://reputed company/careers#job-list